Modified LM Cox Medallion 15 into throttle valve type required not short period of time, especially for decision of throttle valve diameter, venturi size, that is the most important procedure to destine the good future performance, because it has much to do with the mixture control at slow and medium rotational condition. As I applied OS carburetor for LA25, I was obliged to close almost as to 1/ 3 closed position.
In spite of small exhaust pipe diameter on the genuine muffler, Med.15 has enough power to fly a Golden Age 09 class single channel old style air plane vigorously.
The main wing invited today for it is that for Tetra Phimpy12 Clark Y with large area, the flight style was as it was.
Tomorrow, I'm about to set another main wing, that for Rookie 10, semi-symmetric airfoil, the flight style and taste would change remarkably.
Also, the fuselage of PILOT Fighter 09 would be carried with and set the same main wing on it, both of them are so fabricated to make use of the same main wing inter-changablly.
About "Hornet" equipped with YS45 fuel pressurized system and a tuned silencer, setting has become better and better, as for my surprise, 12-6 propeller is fully driven and shows enough performance to make F3A P17 maneuver drawings. The performance might exceed ordinary 60 motors.
Tuned silencer was once experienced, 5 senses of the pilot would be attacked by it's charm, power, torque and specific sound.
Bad manners while knife edge would be eliminated tomorrow by 4-1 and 4-2 mixing application.
Further report would be continued tomorrow after coming back home.
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